Assume that the probability that an airplane engine will fail during a torture test is 
and that the aircraft in question has 4 engines. Find the probability that exactly 1 engine0 will survive.
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: C
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Round the number to the place value indicated.92,
10
A. 92,300 B. 92,200 C. 92,100 D. 92,210
Write the number in decimal notation.The average mass of a U.S. penny is five and two hundred fifty-nine thousandths grams.
A. 5.0259 g B. 5.259 g C. 5.00259 g D. 5.000259 g
A coffee merchant sells two blends of coffee. Each pound of blend A contains 80% Mocha Java and 20 % Jamaican and sells for $2 a pound. Each pound of blend B contains 35% Mocha Java and 65% Jamaican and sells for $2.25 a pound. The merchant has available 1000 pounds of Mocha Java and 600 pounds of Jamaican. The merchant will try to sell the amount of each blend that maximizes her income. Let x be the number of pounds of blend A and y be the number of pounds of blend B. In the situation above, the objective function is
A. 0.80x + 0.20y. B. 2.25x + 0.2y. C. 0.35x + 2y. D. 1000x + 600y. E. none of these
Differentiate.f(x) = 
A. f'(x) = 
B. f'(x) = 
C. f'(x) = 
D. f'(x) = 